TABLE OF CONTENTS
1 Important Safety Instructions 1
2 Nomenclature and Components 5
2.1 Vertiv™ Liebert® MCV Model Number Nomenclature 5
2.2 Component Location 6
2.3 Product Description and Features 7
2.3.1 Control, Fan Types, and Features 7
3 Pre-installation PreparationandGuidelines 9
3.1 Planning Dimensions 10
3.2 Unit Weights 11
4 Equipment Inspection and Handling 13
4.1 Packaging Material 13
4.2 Lift Points for Moving the Skid 13
4.3 Removing Shipping Panels and Brackets 15
5 Piping 17
5.1 Refrigerant Piping and Charging 18
5.1.1 Refrigerant Piping Guidelines for Air Cooled Systems 18
5.1.2 Refrigerant Charge Requirements 20
5.1.3 Additional Oil Requirements 20
5.2 System Dehydration/Leak Test 20
5.3 Charging for Condensers 20
6 Electrical Connections 21
6.1 Line Voltage Wiring 22
6.2 Wye vs. Delta Connected Power Supply for ECFans 24
6.3 Wye vs. Delta Connected Power Supply for Alternative EC Fans 25
6.4 Low Voltage Control Wiring—CANbus Communication 26
7 Checklist for Completed Installation 27
7.1 Moving and Placing Equipment 27
7.2 Electrical Installation Checks 27
7.3 Piping Installation Checks 27
7.4 Other Installation Checks 27
8 Initial Start-up Checks andCommissioningProcedure forWarrantyInspection 29
9 Troubleshooting 31
10 Control Operation 33
10.1 Vertiv™ Liebert® EconoPhase Pumped RefrigerantEconomizer withaVertiv™ Liebert® DSE System 33
10.2 Overview of Operating Modes 34
10.3 Vertiv™ Liebert® EconoPhase Operation 36
10.3.1 Vertiv™ Liebert® EconoPhase Control 37
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Vertiv™ Liebert® MCV Installer/User Guide